<template>
  <div class="carousel-container">
    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%"
    >
      <!-- <el-table-column
        label="ID"
        prop="id"
        sortable="custom"
        align="center"
        width="80"
        :class-name="getSortClass('id')"
      > -->
      <!-- <el-table-column
        label="ID"
        prop="id"
        sortable="custom"
        align="center"
        width="80"
      >
        <template slot-scope="{ row }">
          <span>{{ row.id }}</span>
        </template>
      </el-table-column> -->
      <el-table-column type="index" width="50"> </el-table-column>
      <el-table-column label="图片" align="center" style="width: 20%">
        <template slot-scope="{ row }">
          <el-image
            style="width: auto; height: 100px; border: none; cursor: pointer"
            :src="getImage(row.image)"
            :preview-src-list="[
              `http://localhost:8081/common/download?name=${row.image}`
            ]"
          >
          </el-image>
        </template>
      </el-table-column>

      <el-table-column
        label="Actions"
        align="center"
        width="230"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="{ row, $index }">
          <el-button
            v-if="row.status != 'deleted'"
            size="mini"
            type="danger"
            @click="handleDelete(row, $index)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="listQuery.page"
      :limit.sync="listQuery.pageSize"
      @pagination="getList"
    />

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="temp"
        label-position="left"
        label-width="70px"
        style="width: 400px; margin-left: 50px"
      >
        <el-form-item label="名称">
          <el-input v-model="temp.name" />
        </el-form-item>

        <el-form-item label="分类">
          <el-select
            v-model="temp.categoryId"
            class="filter-item"
            placeholder="Please select"
          >
            <el-option
              v-for="item in category"
              :key="item.id"
              :label="item.name"
              :value="item.id"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="价格">
          <el-input v-model="temp.price" />
        </el-form-item>
        <el-form-item label="库存">
          <el-input v-model="temp.store" />
        </el-form-item>
        <el-form-item label="商品图片">
          <el-upload
            class="avatar-uploader"
            action="http://localhost:8081/common/upload"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            ref="upload"
          >
            <img
              v-if="temp.image"
              :src="'http://localhost:8081/common/download?name=' + temp.image"
              class="avatar"
            />

            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
          <!-- <el-dialog :visible.sync="dialogVisible">
            <img width="100%" :src="dialogImageUrl" alt="" />
          </el-dialog> -->
        </el-form-item>

        <el-form-item label="说明">
          <el-input
            v-model="temp.description"
            :autosize="{ minRows: 2, maxRows: 4 }"
            type="textarea"
            placeholder="Please input"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false"> 取消 </el-button>
        <el-button type="primary" @click="updateData()"> 确认 </el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogPvVisible" title="Reading statistics">
      <el-table
        :data="pvData"
        border
        fit
        highlight-current-row
        style="width: 100%"
      >
        <el-table-column prop="key" label="Channel" />
        <el-table-column prop="pv" label="Pv" />
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogPvVisible = false"
          >Confirm</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
// import { fetchList, fetchPv, createArticle, updateArticle } from '@/api/article'
// import {
//   getGoodPageApi,
//   deleteGoodApi,
//   updateGoodApi,
//   getCategoryApi
// } from '@/api/good'
import { getCarouselPageApi, deleteCarouselApi } from '@/api/carousel'
import waves from '@/directive/waves' // waves directive
// import { parseTime } from '@/utils'
import Pagination from '@/components/Pagination' // secondary package based on el-pagination

const calendarTypeOptions = [
  { key: 'CN', display_name: 'China' },
  { key: 'US', display_name: 'USA' },
  { key: 'JP', display_name: 'Japan' },
  { key: 'EU', display_name: 'Eurozone' }
]

// arr to obj, such as { CN : "China", US : "USA" }
const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
  acc[cur.key] = cur.display_name
  return acc
}, {})

export default {
  name: 'ComplexTable',
  components: { Pagination },
  directives: { waves },
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    },
    typeFilter(type) {
      return calendarTypeKeyValue[type]
    }
  },
  data() {
    return {
      tableKey: 0,
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        pageSize: 20,
        isDeleted: 0
        // importance: undefined,
        // title: undefined,
        // type: undefined,
        // sort: '+id'
      },
      importanceOptions: [1, 2, 3],
      calendarTypeOptions,
      sortOptions: [
        { label: 'ID Ascending', key: '+id' },
        { label: 'ID Descending', key: '-id' }
      ],
      statusOptions: ['published', 'draft', 'deleted'],
      showReviewer: false,
      // imageUrl: '',
      temp: {
        id: undefined,
        image: '',
        name: '',
        price: null,
        store: null,
        description: '',
        categoryId: undefined
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: 'Edit',
        create: 'Create'
      },
      dialogPvVisible: false,
      pvData: [],
      rules: {
        type: [
          { required: true, message: 'type is required', trigger: 'change' }
        ],

        title: [
          { required: true, message: 'title is required', trigger: 'blur' }
        ]
      },
      downloadLoading: false
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      getCarouselPageApi(this.listQuery).then((response) => {
        this.list = response.data.records
        this.total = response.data.total
        this.listLoading = false
      })
    },
    getImage(image) {
      return `http://localhost:8081/common/download?name=${image}`
    },
    async handleDelete(row, index) {
      const { data: res } = await deleteCarouselApi({
        id: row.id,
        isDeleted: 1
      })
      console.log(res)
      if (res)
        this.$notify({
          title: '成功',
          message: '删除成功',
          type: 'success',
          duration: 2000
        })
      this.getList()
      // this.list.splice(index, 1)
    },
    handleSale(row) {
      let isOnSale
      if (row.isOnSale) isOnSale = 0
      else isOnSale = 1
      updateGoodApi({ id: row.id, isOnSale: isOnSale }).then(() => {
        // const index = this.list.findIndex((v) => v.id === this.temp.id)
        // this.list.splice(index, 1, this.temp)
        this.dialogFormVisible = false
        let msg
        if (row.isOnSale) msg = '下架成功'
        else msg = '上架成功'
        this.$notify({
          title: '成功',
          message: msg,
          type: 'success',
          duration: 2000
        })
        this.getList()
      })
    },
    handleUpdate(row) {
      this.temp = Object.assign({}, row) // copy obj
      // this.temp.timestamp = new Date(this.temp.timestamp)
      // this.imageUrl = `http://localhost:8081/common/download?name=${this.temp.image}`
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          const tempData = Object.assign({}, this.temp)
          // tempData.timestamp = +new Date(tempData.timestamp) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
          updateGoodApi(tempData).then((response) => {
            // const index = this.list.findIndex((v) => v.id === this.temp.id)
            // this.list.splice(index, 1, this.temp)
            this.dialogFormVisible = false

            this.$notify({
              title: '成功',
              message: response.data,
              type: 'success',
              duration: 2000
            })
            this.getList()
          })
        }
      })
    },
    handleAvatarSuccess(response, file, fileList) {
      // 拼接down接口预览
      // if(response.code === 0 && response.msg === '未登录'){
      //   window.top.location.href = '/backend/page/login/login.html'
      // }else{
      // this.imageUrl = `http://localhost:8081/common/download?name=${response.data}`
      this.temp.image = response.data
      // }
    }
    //   handleFilter() {
    //     this.listQuery.page = 1
    //     this.getList()
    //   },
    //   handleModifyStatus(row, status) {
    //     this.$message({
    //       message: '操作Success',
    //       type: 'success'
    //     })
    //     row.status = status
    //   },
    //   sortChange(data) {
    //     const { prop, order } = data
    //     if (prop === 'id') {
    //       this.sortByID(order)
    //     }
    //   },
    //   sortByID(order) {
    //     if (order === 'ascending') {
    //       this.listQuery.sort = '+id'
    //     } else {
    //       this.listQuery.sort = '-id'
    //     }
    //     this.handleFilter()
    //   },
    //   resetTemp() {
    //     this.temp = {
    //       id: undefined,
    //       importance: 1,
    //       remark: '',
    //       timestamp: new Date(),
    //       title: '',
    //       status: 'published',
    //       type: ''
    //     }
    //   },
    //   handleCreate() {
    //     this.resetTemp()
    //     this.dialogStatus = 'create'
    //     this.dialogFormVisible = true
    //     this.$nextTick(() => {
    //       this.$refs['dataForm'].clearValidate()
    //     })
    //   },
    //   createData() {
    //     this.$refs['dataForm'].validate((valid) => {
    //       if (valid) {
    //         this.temp.id = parseInt(Math.random() * 100) + 1024 // mock a id
    //         this.temp.author = 'vue-element-admin'
    //         createArticle(this.temp).then(() => {
    //           this.list.unshift(this.temp)
    //           this.dialogFormVisible = false
    //           this.$notify({
    //             title: 'Success',
    //             message: 'Created Successfully',
    //             type: 'success',
    //             duration: 2000
    //           })
    //         })
    //       }
    //     })
    //   },
    //   handleUpdate(row) {
    //     this.temp = Object.assign({}, row) // copy obj
    //     this.temp.timestamp = new Date(this.temp.timestamp)
    //     this.dialogStatus = 'update'
    //     this.dialogFormVisible = true
    //     this.$nextTick(() => {
    //       this.$refs['dataForm'].clearValidate()
    //     })
    //   },
    //   updateData() {
    //     this.$refs['dataForm'].validate((valid) => {
    //       if (valid) {
    //         const tempData = Object.assign({}, this.temp)
    //         tempData.timestamp = +new Date(tempData.timestamp) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
    //         updateArticle(tempData).then(() => {
    //           const index = this.list.findIndex((v) => v.id === this.temp.id)
    //           this.list.splice(index, 1, this.temp)
    //           this.dialogFormVisible = false
    //           this.$notify({
    //             title: 'Success',
    //             message: 'Update Successfully',
    //             type: 'success',
    //             duration: 2000
    //           })
    //         })
    //       }
    //     })
    //   },

    //   handleFetchPv(pv) {
    //     fetchPv(pv).then((response) => {
    //       this.pvData = response.data.pvData
    //       this.dialogPvVisible = true
    //     })
    //   },
    //   handleDownload() {
    //     this.downloadLoading = true
    //     import('@/vendor/Export2Excel').then((excel) => {
    //       const tHeader = ['timestamp', 'title', 'type', 'importance', 'status']
    //       const filterVal = ['timestamp', 'title', 'type', 'importance', 'status']
    //       const data = this.formatJson(filterVal)
    //       excel.export_json_to_excel({
    //         header: tHeader,
    //         data,
    //         filename: 'table-list'
    //       })
    //       this.downloadLoading = false
    //     })
    //   },
    //   formatJson(filterVal) {
    //     return this.list.map((v) =>
    //       filterVal.map((j) => {
    //         if (j === 'timestamp') {
    //           return parseTime(v[j])
    //         } else {
    //           return v[j]
    //         }
    //       })
    //     )
    //   },
    //   getSortClass: function (key) {
    //     const sort = this.listQuery.sort
    //     return sort === `+${key}` ? 'ascending' : 'descending'
    //   }
  }
}
</script>
